Question:
if the compund ratio of 5:8 and 3:7 is 45:x find the value of x
Answer:
Given, the compund ratio of 5 : 8 and 3 : 7 is 45 : x
=> (5/8) * (3/7) = 45/x
=> (5 * 3)/(8 * 7) = 45/x
=> 15/56 = 45/x
=> 15x = (45 * 56)
=> x = (45 * 56)/15
=> x = 3 * 56
=> x = 168
So, the value of x is 168
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